diff options
Diffstat (limited to 'hicn-light/src/hicn/platforms/windows/system.c')
| -rw-r--r-- | hicn-light/src/hicn/platforms/windows/system.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/platforms/windows/system.c b/hicn-light/src/hicn/platforms/windows/system.c new file mode 100644 index 000000000..df2a014a6 --- /dev/null +++ b/hicn-light/src/hicn/platforms/windows/system.c @@ -0,0 +1,223 @@ +/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <parc/assert/parc_Assert.h>
+#include <src/hicn/config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <sys/types.h>
+
+#include <errno.h>
+#include <string.h>
+
+#define WORKING_BUFFER_SIZE 15000
+#define MAX_TRIES 3
+
+#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
+#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
+
+#include <hicn/core/forwarder.h>
+#include <hicn/utils/interfaceSet.h>
+
+#include <hicn/utils/addressList.h>
+
+/**
+ * Returns the MTU for a named interface
+ *
+ * On linux, we get the MTU by opening a socket and reading SIOCGIFMTU
+ *
+ * @param [in] ifname Interface name (e.g. "eth0")
+ *
+ * @retval number The MTU in bytes
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+static int getMtu(const char *ifname) {
+ PIP_ADAPTER_ADDRESSES pAddresses = NULL;
+ PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL;
+ ULONG outBufLen = 0;
+ ULONG flags = GAA_FLAG_INCLUDE_PREFIX;
+ ULONG family = AF_UNSPEC;
+
+ DWORD dwSize = 0;
+ DWORD dwRetVal = 0;
+ ULONG Iterations = 0;
+ do {
+ pAddresses = (IP_ADAPTER_ADDRESSES *)MALLOC(outBufLen);
+ if (pAddresses == NULL) {
+ printf("Memory allocation failed for IP_ADAPTER_ADDRESSES struct\n");
+ exit(1);
+ }
+
+ dwRetVal =
+ GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen);
+
+ if (dwRetVal == ERROR_BUFFER_OVERFLOW) {
+ FREE(pAddresses);
+ pAddresses = NULL;
+ } else {
+ break;
+ }
+
+ Iterations++;
+
+ } while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (Iterations < MAX_TRIES));
+
+ if (dwRetVal == NO_ERROR) {
+ pCurrAddresses = pAddresses;
+ while (pCurrAddresses) {
+ if (strcmp(pCurrAddresses->AdapterName, ifname)) {
+ int mtu = pCurrAddresses->Mtu;
+ if (pAddresses) {
+ FREE(pAddresses);
+ }
+ return mtu;
+ }
+ pCurrAddresses = pCurrAddresses->Next;
+ }
+ }
+
+ if (pAddresses) {
+ FREE(pAddresses);
+ }
+ return -1;
+}
+
+InterfaceSet *system_Interfaces(Forwarder *forwarder) {
+ InterfaceSet *set = interfaceSetCreate();
+
+ Logger *logger = forwarder_GetLogger(forwarder);
+
+ DWORD dwSize = 0;
+ DWORD dwRetVal = 0;
+ unsigned int i = 0;
+ // Set the flags to pass to GetAdaptersAddresses
+ ULONG flags = GAA_FLAG_INCLUDE_PREFIX;
+
+ // default to unspecified address family (both)
+ ULONG family = AF_UNSPEC;
+
+ LPVOID lpMsgBuf = NULL;
+
+ PIP_ADAPTER_ADDRESSES pAddresses = NULL;
+ ULONG outBufLen = 0;
+ ULONG Iterations = 0;
+
+ PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL;
+ PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
+ PIP_ADAPTER_ANYCAST_ADDRESS pAnycast = NULL;
+ PIP_ADAPTER_MULTICAST_ADDRESS pMulticast = NULL;
+ IP_ADAPTER_DNS_SERVER_ADDRESS *pDnServer = NULL;
+ IP_ADAPTER_PREFIX *pPrefix = NULL;
+
+ outBufLen = WORKING_BUFFER_SIZE;
+
+ do {
+ pAddresses = (IP_ADAPTER_ADDRESSES *)MALLOC(outBufLen);
+ parcAssertNotNull(
+ pAddresses,
+ "Memory allocation failed for IP_ADAPTER_ADDRESSES struct\n");
+ dwRetVal =
+ GetAdaptersAddresses(family, flags, NULL, pAddresses, &outBufLen);
+
+ if (dwRetVal == ERROR_BUFFER_OVERFLOW) {
+ FREE(pAddresses);
+ pAddresses = NULL;
+ } else {
+ break;
+ }
+
+ Iterations++;
+
+ } while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (Iterations < MAX_TRIES));
+ if (dwRetVal == NO_ERROR) {
+ // If successful, output some information from the data we received
+ pCurrAddresses = pAddresses;
+ while (pCurrAddresses) {
+ if (pCurrAddresses->OperStatus == IfOperStatusUp) {
+ Interface *iface =
+ interfaceSetGetByName(set, pCurrAddresses->AdapterName);
+ if (iface == NULL) {
+ pMulticast = pCurrAddresses->FirstMulticastAddress;
+ if (pMulticast) {
+ for (i = 0; pMulticast != NULL; i++) pMulticast = pMulticast->Next;
+ }
+
+ iface = interfaceCreate(
+ pCurrAddresses->AdapterName,
+ forwarder_GetNextConnectionId(forwarder),
+ pCurrAddresses->IfType == IF_TYPE_SOFTWARE_LOOPBACK, i > 0,
+ pCurrAddresses->Mtu);
+
+ interfaceSetAdd(set, iface);
+ for (pUnicast = pCurrAddresses->FirstUnicastAddress; pUnicast != NULL;
+ pUnicast = pUnicast->Next) {
+ int family = pUnicast->Address.lpSockaddr->sa_family;
+
+ switch (family) {
+ case AF_INET: {
+ char *ip = inet_ntoa(
+ ((struct sockaddr_in *)(pUnicast->Address.lpSockaddr))
+ ->sin_addr);
+ Address *address = addressCreateFromInet(
+ (struct sockaddr_in *)(pUnicast->Address.lpSockaddr));
+ interfaceAddAddress(iface, address);
+ break;
+ }
+
+ case AF_INET6: {
+ char str[INET6_ADDRSTRLEN];
+ inet_ntop(
+ AF_INET6,
+ &((struct sockaddr_in6 *)(pUnicast->Address.lpSockaddr))
+ ->sin6_addr,
+ str, INET6_ADDRSTRLEN);
+ Address *address = addressCreateFromInet6(
+ (struct sockaddr_in6 *)(pUnicast->Address.lpSockaddr));
+ interfaceAddAddress(iface, address);
+ break;
+ }
+
+ default:
+ break;
+ }
+ }
+ }
+ }
+ pCurrAddresses = pCurrAddresses->Next;
+ }
+ }
+
+ if (pAddresses) {
+ FREE(pAddresses);
+ }
+ return set;
+}
+
+Address *system_GetMacAddressByName(Forwarder *forwarder,
+ const char *interfaceName) {
+ return NULL;
+}
+
+unsigned system_InterfaceMtu(Forwarder *forwarder, const char *interfaceName) {
+ unsigned mtu = 0;
+
+ return mtu;
+}
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